From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Problems KVM-84 Date: Tue, 10 Mar 2009 15:47:05 +0200 Message-ID: <49B66F59.5000603@redhat.com> References: <49B4EDD6.8050407@redhat.com> <49B50D89.2030401@redhat.com> <49B62751.3060907@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: J- MAN Return-path: Received: from mx2.redhat.com ([66.187.237.31]:57750 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755058AbZCJNrL (ORCPT ); Tue, 10 Mar 2009 09:47:11 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: J- MAN wrote: > > > I don't think this is a regression from kvm-83. Large qcow2 files have > > lots of metadata which needs to be loaded up front. If the kernel > > doesn't have this cached, it will take a long time. > > I'm just wondering what happend between 83 and 84, because there is no > startup delay in 83. > My real problem is that libvirt times out when waiting for my virtual > machine to start using 84, unless i manually start the machine first > to get it cached. > > This makes using libvirt & virt-manager useless with 84 unless i > pre-start all my VMs manually to get them cached. > > I'm suprised nobody else is having this issue. If there is anything > else i can do to help please let me know. Try (with kvm-83): echo 255 > /proc/sys/vm/drop-caches qemu ... -- error compiling committee.c: too many arguments to function